# 仁保石油 公式アプリ vs CHAM

The clearest difference is ads: CHAM at none against 仁保石油 公式アプリ's shown. 仁保石油 公式アプリ's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

仁保石油 公式アプリ ships an update every 31 months, CHAM every 39 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 仁保石油 公式アプリ | CHAM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 31 months** | Every 39 months |
| Size | 4 MB | 3 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUJITANISHOTEN, K.K.](https://appshunter.io/developer/1486724262) | [Ryohei Oosawa](https://appshunter.io/developer/1628237823) |

## What reviewers say

### 仁保石油 公式アプリ

[App page](https://appshunter.io/ios/app/id1491448195)

**Features:** macOS Compatibility

**In-app purchases:** none


### CHAM

[App page](https://appshunter.io/ios/app/chamo2lanhr/id1628237821)

**In-app purchases:** none


## Frequently asked questions

### Is 仁保石油 公式アプリ free?

仁保石油 公式アプリ is free to download, with no in-app purchases.

### Is CHAM free?

CHAM is free to download, with no in-app purchases.

### Do 仁保石油 公式アプリ or CHAM have ads?

仁保石油 公式アプリ shows ads; CHAM does not.

### Which is updated more often, 仁保石油 公式アプリ or CHAM?

仁保石油 公式アプリ ships an update every 31 months, and CHAM every 39 months. Most recently, 仁保石油 公式アプリ was updated on October 25, 2026 and CHAM on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*